Had my Castine running around 800F/850F for about an hour with the damper shut all the way. Only thing I did different is I used wood that was left over in the basement from last winter, wood was dry but not punky. I suppose I'll save that stuff for campfires only have about an 1/8 of cord of the stuff. Any potential stove damage, anything in particular to look at? Chimney is new class A. Was disconcerting for a bit and hot.